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#ifndef SRC_TINT_LANG_WGSL_SEM_BEHAVIOR_H_
#define SRC_TINT_LANG_WGSL_SEM_BEHAVIOR_H_

#include "src/tint/utils/containers/enum_set.h"
#include "src/tint/utils/rtti/traits.h"

namespace tint::sem {

/// Behavior enumerates the possible behaviors of an expression or statement.
/// @see https://www.w3.org/TR/WGSL/#behaviors
enum class Behavior {
    kReturn,
    kBreak,
    kContinue,
    kNext,
};

/// Behaviors is a set of Behavior
using Behaviors = tint::EnumSet<Behavior>;

/// @param behavior the behavior
/// @returns the string for the given enumerator
std::string_view ToString(Behavior behavior);

/// Writes the Behavior to the stream.
/// @param out the stream to write to
/// @param behavior the Behavior to write
/// @returns out so calls can be chained
template <typename STREAM, typename = traits::EnableIfIsOStream<STREAM>>
auto& operator<<(STREAM& out, Behavior behavior) {
    return out << ToString(behavior);
}

}  // namespace tint::sem

#endif  // SRC_TINT_LANG_WGSL_SEM_BEHAVIOR_H_
